Home / 31,823,998.80-47,735,998.20-19,730,763.60

Finding the Fourth Proportional to 31,823,998.80, 47,735,998.20 and 19,730,763.60

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Solution

The fourth proportional to 31,823,998.80, 47,735,998.20 and 19,730,763.60 is: 29,596,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,823,998.80 : 47,735,998.20 = 19,730,763.60 : x
  2. Step 2: Convert to fraction form
    31,823,998.80/47,735,998.20 = 19,730,763.60/x
  3. Step 3: Cross multiply
    31,823,998.80x = 47,735,998.20 × 19,730,763.60
  4. Step 4: Simplify right side
    31,823,998.80x = 941,867,695,694,225.62
  5. Step 5: Solve for x
    x = 941,867,695,694,225.62/31,823,998.80
  6. Step 6: Final answer
    x = 29,596,145.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.